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Timeline9 min read·Updated May 8, 2026

The Multiple Mini Interview (MMI): What It Is and How to Prepare

MMI interviews use 6–10 short stations to evaluate decision-making, ethics, and communication. Here is how to prepare without overpreparing.

ByAngela Woodbury·
Key Takeaways
  • MMI typically uses 6–10 stations of 6–10 minutes each. You read a prompt for 2 minutes, then enter the station for your response.
  • Common station types: ethical dilemma, role-play, current event, teamwork/communication, "tell me about yourself."
  • Most schools score each station independently — a weak station does not necessarily sink the interview.

What Is the MMI?

The Multiple Mini Interview (MMI) uses a series of short interview stations instead of one or two longer conversations. Each station tests a specific non-cognitive skill: ethical reasoning, communication, teamwork, current-event awareness, or self-reflection.

MMI was developed at McMaster University and has been adopted by an increasing number of MD, DO, dental, and PA programs. It reduces single-rater bias by exposing applicants to multiple independent evaluators.

Format and Timing

A typical MMI:

  • 6–10 stations of 6–10 minutes each
  • 1–2 minutes of reading time before each station to review the prompt
  • 5–8 minutes inside the station with one rater
  • Stations are independent — each is scored by a different rater on a separate rubric

Total interview time is typically 90 minutes to 2 hours, plus tours and information sessions on interview day.

Common Station Types

  • Ethical dilemma: "A friend in your medical school class is cheating on exams. What do you do?"
  • Role-play: Often with a standardized patient or actor — e.g., delivering difficult news.
  • Current event / policy: "What is your view on physician-assisted death?"
  • Teamwork: Sometimes paired with another applicant on a collaborative task.
  • Personal: "Tell me about a time you failed."
  • Acting station: Demonstrate empathy or communication skills with a standardized patient.

How to Prepare

Useful preparation:

  • Learn a structured response framework (acknowledge → identify stakeholders → consider perspectives → propose action → reflect on what could go wrong)
  • Practice 20–30 MMI scenarios out loud with a partner or coach
  • Read about common ethical principles (autonomy, beneficence, non-maleficence, justice) without memorizing scripts
  • Stay current on healthcare policy and bioethics — listen to one or two relevant podcasts in the months before interview season

Avoid: memorizing scripted answers. Raters detect them, and MMIs reward flexible, authentic reasoning over polished delivery.

On the Day

  • Arrive early and dress professionally (business suit standard)
  • Read prompts carefully during the 1–2 minute prep window
  • Do not panic if one station goes badly — each is scored independently and one weak station does not sink the interview
  • Stay aware of time — most stations end on a fixed clock and an alarm signals the transition
  • Treat each rater as a fresh start; do not carry frustration between stations

Frequently Asked Questions

A growing share of MD and DO programs use MMI or a hybrid format. Examples include University of Michigan, NYU Long Island, Stanford, McMaster, and many others. Each school publishes its interview format on its admissions website.

Most MMIs run 90 minutes to 2 hours total: 6–10 stations of 6–10 minutes each, with 1–2 minutes of reading time between stations.

Each station is typically scored independently by a different rater on a rubric (often a 1–10 scale on professionalism, reasoning, and communication). Your total MMI score is the sum or weighted average across stations. A weak station does not necessarily sink the interview.

Practice a structured response framework: acknowledge the situation, identify stakeholders, consider perspectives, propose an action, reflect on what could go wrong. Use practice scenarios from published MMI guides. Avoid memorizing scripted answers — raters detect them.

Traditional interviews are one or two longer conversations (30–60 minutes each) with faculty or students. MMI uses short repeated stations with different raters. MMI reduces single-rater bias but limits depth on any one topic.

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About the Author

Angela Woodbury
Angela Woodbury

Co-Founder · PA School Applicant

B.S. Health SciencesCASPA Applicant 2026Co-Founder, White Coat World

Angela navigated the CASPA process in 2026 alongside building White Coat World. She writes about the experience side of healthcare applications — how to frame your hours, write personal statements, and present yourself as a well-rounded candidate.

Educational Disclaimer: White Coat World provides educational resources for pre-health students. Admissions requirements vary by institution and change each cycle. Always verify shadowing hour requirements, GPA cutoffs, and application deadlines directly with your target schools. This content is not licensed advising.